[PD] ehu abstractions to be released

[IOhannes m zmoelnig]

altern wrote:
> Hans-Christoph Steiner(e)k dio:
>>
>> You can force the version by using the namespace prefix:
>>
>> [cyclone/counter]
>> [cyclone/prepend]
>> [iemlib/gate]
> 
> this is what i am doing. i think that solves the issue.

i think even better would be to use built-in objects.
in the case of [gate] and [prepend] this maps to one (or 2) built-ins, 
so no need for strange prefixes.

mfgasdr
IOhannes